<template>
  <div class="todo-container">
    <div class="todo-wrap">
      <Header :addTodo="addTodo" />
      <List :todoList="todoList" :updateSingle="updateSingle" :deleteOne="deleteOne" />
      <Footer :todoList="todoList" :updateAll="updateAll" :deleteAllComplate="deleteAllComplate" />
    </div>
  </div>
</template>

<script lang="ts">
import { defineComponent } from "vue";

export default defineComponent({
  name: "App",
});
</script>

<script setup lang="ts">
import { ref, watch } from "vue";
import { nanoid } from "nanoid";
import Header from "./components/Header/index.vue";
import Footer from "./components/Footer/index.vue";
import List from "./components/List/index.vue";

export interface TodoType {
  id: string;
  thing: string;
  done: boolean;
}
export type TodosType = TodoType[];

const todoList = ref<TodosType>(
  JSON.parse(localStorage.getItem("todoList") as string) || [] );
  watch(todoList.value, () => {
  localStorage.setItem("todoList", JSON.stringify(todoList.value));
});

//添加新的数据
const addTodo = (newTodo: TodoListItem) => {
  todoList.value.unshift(newTodo);

};

// 修改单个状态
const updateSingle = (id: string) => {
  todoList.value.forEach((item) => {
    item.done = item.id === id ? !item.done : item.done;
  });
};

// 删除单个状态
const deleteOne = (id: string) => {
  const index = todoList.value.findIndex((item) => item.id === id);
  todoList.value.splice(index, 1)
};

// 全选
const updateAll = (type: boolean) => {
  todoList.value.forEach((item) => {
    item.done = type
  })
}

// 删除所有已选中
const deleteAllComplate = () => {
  todoList.value = todoList.value.filter((item) => !item.done);
};



</script>

<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}

.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}
</style>
